78977412

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{313}}^1$

素因数の和:529

約数の個数: 72

約数和(自身を含む): 206189984

約数和(自身を除く): 127212572

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 163, 172, 258, 313, 326, 387, 489, 516, 626, 652, 774, 939, 978, 1252, 1467, 1548, 1878, 1956, 2817, 2934, 3756, 5634, 5868, 7009, 11268, 13459, 14018, 21027, 26918, 28036, 40377, 42054, 51019, 53836, 63081, 80754, 84108, 102038, 121131, 126162, 153057, 161508, 204076, 242262, 252324, 306114, 459171, 484524, 612228, 918342, 1836684, 2193817, 4387634, 6581451, 8775268, 13162902, 19744353, 26325804, 39488706, 78977412]

約数ペア:

[(1, 78977412), (2, 39488706), (3, 26325804), (4, 19744353), (6, 13162902), (9, 8775268), (12, 6581451), (18, 4387634), (36, 2193817), (43, 1836684), (86, 918342), (129, 612228), (163, 484524), (172, 459171), (258, 306114), (313, 252324), (326, 242262), (387, 204076), (489, 161508), (516, 153057), (626, 126162), (652, 121131), (774, 102038), (939, 84108), (978, 80754), (1252, 63081), (1467, 53836), (1548, 51019), (1878, 42054), (1956, 40377), (2817, 28036), (2934, 26918), (3756, 21027), (5634, 14018), (5868, 13459), (7009, 11268)]